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3 ta ish
Ish: DEVELOPMENT OF A NEW SOLAR COLLECTOR SUN 3 FOR HEAT SUPPLY AND HOT WATER SUPPLY OF THE OBJECTS OF SOCIAL AND RESIDENTIAL SPHERE OF IRKUTSK REGION
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3 ta ish
Ish: DEVELOPMENT OF A NEW SOLAR COLLECTOR SUN 3 FOR HEAT SUPPLY AND HOT WATER SUPPLY OF THE OBJECTS OF SOCIAL AND RESIDENTIAL SPHERE OF IRKUTSK REGION